Some form of infertility affects at leats one in six couples in the UK. In around fifty percent of cases, it is prbolems with sperm produciton that is to blame for failure to conceive. IVF, and intracytoplasimc sperm injection (ICSI), in hwich sperm are injected into the egg has solved this problem for mayn childless couples. There are, of course, established tests for sperm DNA ... Click here for ezine index Click here for news index Click here for education index ...